package com.cx.java;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import cx.cx.pojo.Car;

/**
 * Servlet implementation class CarInfoServlet
 */
@WebServlet("/CarInfoServlet")
public class CarInfoServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public CarInfoServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		//response.getWriter().append("Served at: ").append(request.getContextPath());
		JdbcUtils ju = JdbcUtils.getInstance();
		
		String sql = "select * from car";
		List<Car> list=ju.executeQuery(Car.class,sql);

		HttpSession session = request.getSession();
		session.setAttribute("list", list);
		
		// 重定向到显示界面 地址栏会发生变化
//		response.sendRedirect("/webdemo/goods.jsp");
		// 请求转发  地址栏不会发生变化
		request.getRequestDispatcher("/car.jsp").forward(request, response);
		
	} 

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
